BR777i Heavy Duty Small hydraulic breaker

Sandvik BR777i Heavy Duty Small hydraulic breaker has been designed for the toughest of applications. The breaker can be utilized in a number or different duties, thanks to its ability to be mounted on a wide range of carriers.

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The durable, low-maintenance design of the BR777i Heavy Duty Small breaker features a membrane-type accumulator to ensure constant maximum impact power and eliminate the need for recharging in the field. This enables consistently high productivity while maintaining stability and safety.

The field-replaceable tool bushing and other proven, intelligent features keep maintenance downtime to a minimum and productivity high even in the most challenging environments.


  • Factory-installed RD3 remote monitoring device for superior fleet management
  • CBE (Constant Blow Energy) gives consistent performance
  • No-tie-rods design enables fast and easy servicing without special tooling required
  • Membrane-type accumulator ensures constant maximum impact power and removes the need for time-consuming recharging
  • Quick-change tool bushing makes maintenance easy, fast and safe
  • Heavy-duty housing withstands high temperature and extreme wear
  • Broad carrier range gives the breaker real versatility
Technical data
Working weight, kg (lb) 415 (910)
Impact rate, bpm 500 - 1700
Operating pressure, bar (psi) 90 - 140 (1,305 - 2,030)
Tool diameter, mm (in.)70 80 (3.15)
Acceptable oil flow, l/min (gal/min) 40 - 120 (10.6 - 31.7)
Mini excavator weight, allowed range, t (lb) 4.3 - 9.5 (9,500 - 20,900)
Skid steer weight, allowed range, t (lb) 2.6 - 6.3 (5,700 - 13,900)